This document is a product manual for the DB Drive 10-inch Shallow Mount Marine Subwoofer. It describes the features and specifications of the product and provides installation instructions.
This user manual covers the DB Drive APW10D4 10-inch shallow mount marine subwoofer. It includes product specifications, mechanical measurements, enclosure calculation instructions, recommended sealed enclosure volume, and warranty information.
The manual is provided in English, Spanish, and Chinese. It recommends building the enclosure from 3/4-inch thick MDF and sealing it airtight.
| Sensitivity (SPL) | 82.2 dB |
|---|---|
| DC resistance (Re) | 6.420 Ω |
| Free air resonance (Fo) | 33.943 Hz |
| Equivalent volume (Vas) | 26.695 mM |
| Mechanical Q (Qms) | 3.752 |
| Electrical Q (Qes) | 0.974 |
| Total Q (Qts) | 0.773 |
| Moving mass (Mms) | 140.296 g |
| Motor force (BL) | 14.047 TM |
| Cone surface area (Sd) | 34.636 mM |
| Recommended sealed box volume | 0.45 cu ft |
| Mechanical measurements | 230 mm / 9.05 in, 263.5 mm / 10.37 in, 89 mm / 3.5 in |
The manual recommends a sealed enclosure with a box volume of 0.45 cu ft.
It recommends building the enclosure from 3/4-inch thick MDF and sealing it airtight.
DB Drive provides a one-year warranty from the original purchase date for products purchased from an authorized dealer.
Measure the outside width, height, and depth, then divide the cubic inches by 1728.